129642691 (number)

129642691 is an odd 9-digits composite number following 129642690 and preceding 129642692. In scientific notation, it is written as 1.29642691 × 10^8. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 128359000 positive integers (up to 129642691) that are relatively prime to 129642691.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred forty-two thousand six hundred ninety-one

Notation

Scientific notation 1.29642691 × 10^8
Engineering notation 1.29642691 × 10^6

Prime Factorization of 129642691

Prime Factorization 101 × 1283591

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129642691
Product of the distinct prime numbers

The prime factorization of 129642691 is 101 × 1283591. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 26, 46, 983, 998, 244, 1781, 5558, 84905, 827798, 892338, 2462798, 7000298, 76982904, 80818496, 131583725, 463876067, 4104667363, 9965514386

Basic calculations (n = 129642691)

Multiplication

n×y
n×2 259285382
n×3 388928073
n×4 518570764
n×5 648213455

Division

n÷y
n÷2 64821345.5
n÷3 43214230.333333
n÷3 32410672.75
n÷5 25928538.2

Exponentiation

ny
n2 16807227329721481
n3 2.1789341792738E+24
n4 2.8248289051294E+32
n5 3.6621842087555E+40

Nth Root

y√n
2√n 11386.074433272
3√n 506.11515941407
4√n 106.70555015214
5√n 41.932389135402

Divisors of 129642691

1, 101, 1283591, 129642691

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129642690
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129642691 can be divided by 4 positive divisors. The sum of these divisors (counting 129642691) is 1, the average is 0.25.

Base conversion 129642691

Base System Value
2 Binary 111101110100011000011000011
3 Ternary 100000221112100011
4 Quaternary 13232203003003
5 Quinary 231142031231
6 Senary 20510405351
8 Octal 756430303
10 Decimal 129642691
12 Duodecimal 37500857
16 Hexadecimal 7ba30c3
20 Vigesimal 20a56eb
36 Base36 256oxv

Cryptographic Hash Functions

md5 e0103876bb1e44b125447e351566b203
sha1 a5f6e4fc42ed9a864af12cbc5929eebfdb2f97fb
sha256 d57ccff7e2f16d9f78f20bd0fb0396a0f989f6a7116e525473fde97e31f335e4
sha512 e1d070b3f4aad0882b4d4c0985e981aa0e0e6c22504105e95f2d82350e783f08fa8acb14a54529417f8e3e5a9219db1802355296acfd16766adcdd8aaba43667
ripemd-160 02fc2b0ea437e8e9885c64bf93a986bae2ab55b3

129642691 as geometric shapes

Circle

Radius = n
Diameter 259285382
Circumference 814569051.27442
Area 5.2801461906267E+16

Sphere

Radius = n
Volume 9.1270981470165E+24
Surface area 2.1120584762507E+17
Circumference 814569051.27442

Square

Length = n
Perimeter 518570764
Area 16807227329721481
Diagonal 183342451.87474

Cube

Length = n
Surface area 100843363978328886
Volume 2.1789341792738E+24
Space diagonal 224547727.64195

Equilateral Triangle

Length = n
Perimeter 388928073
Area 7.2777429173594E+15
Altitude 112273863.82098

Triangular Pyramid

Length = n
Surface area 7.2777429173594E+15
Volume 2.5678985565395E+23
Height 61114150.624915